1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/*
* (C) 1999-2003 Lars Knoll (knoll@kde.org)
* Copyright (C) 2004, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef CSSStyleSheet_h
#define CSSStyleSheet_h
#include "CSSParserMode.h"
#include "CSSRule.h"
#include "StyleSheet.h"
#include <wtf/HashMap.h>
#include <wtf/Noncopyable.h>
#include <wtf/text/AtomicStringHash.h>
namespace WebCore {
class CSSCharsetRule;
class CSSImportRule;
class CSSParser;
class CSSRule;
class CSSRuleList;
class CSSStyleSheet;
class CachedCSSStyleSheet;
class Document;
class MediaQuerySet;
class SecurityOrigin;
class StyleSheetContents;
typedef int ExceptionCode;
class CSSStyleSheet : public StyleSheet {
public:
static PassRefPtr<CSSStyleSheet> create(PassRefPtr<StyleSheetContents>, CSSImportRule* ownerRule = 0);
static PassRefPtr<CSSStyleSheet> create(PassRefPtr<StyleSheetContents>, Node* ownerNode);
static PassRefPtr<CSSStyleSheet> createInline(Node*, const KURL&, const String& encoding = String());
virtual ~CSSStyleSheet();
virtual CSSStyleSheet* parentStyleSheet() const OVERRIDE;
virtual Node* ownerNode() const OVERRIDE { return m_ownerNode; }
virtual MediaList* media() const OVERRIDE;
virtual String href() const OVERRIDE;
virtual String title() const OVERRIDE { return m_title; }
virtual bool disabled() const OVERRIDE { return m_isDisabled; }
virtual void setDisabled(bool) OVERRIDE;
PassRefPtr<CSSRuleList> cssRules();
unsigned insertRule(const String& rule, unsigned index, ExceptionCode&);
void deleteRule(unsigned index, ExceptionCode&);
// IE Extensions
PassRefPtr<CSSRuleList> rules();
int addRule(const String& selector, const String& style, int index, ExceptionCode&);
int addRule(const String& selector, const String& style, ExceptionCode&);
void removeRule(unsigned index, ExceptionCode& ec) { deleteRule(index, ec); }
// For CSSRuleList.
unsigned length() const;
CSSRule* item(unsigned index);
virtual void clearOwnerNode() OVERRIDE;
virtual CSSImportRule* ownerRule() const OVERRIDE { return m_ownerRule; }
virtual KURL baseURL() const OVERRIDE;
virtual bool isLoading() const OVERRIDE;
void clearOwnerRule() { m_ownerRule = 0; }
Document* ownerDocument() const;
MediaQuerySet* mediaQueries() const { return m_mediaQueries.get(); }
void setMediaQueries(PassRefPtr<MediaQuerySet>);
void setTitle(const String& title) { m_title = title; }
enum RuleMutationType { OtherMutation, InsertionIntoEmptySheet };
class RuleMutationScope {
WTF_MAKE_NONCOPYABLE(RuleMutationScope);
public:
RuleMutationScope(CSSStyleSheet*, RuleMutationType = OtherMutation);
RuleMutationScope(CSSRule*);
~RuleMutationScope();
private:
CSSStyleSheet* m_styleSheet;
RuleMutationType m_mutationType;
};
void willMutateRules();
void didMutateRules(RuleMutationType = OtherMutation);
void didMutate();
void clearChildRuleCSSOMWrappers();
void reattachChildRuleCSSOMWrappers();
StyleSheetContents* contents() const { return m_contents.get(); }
private:
CSSStyleSheet(PassRefPtr<StyleSheetContents>, CSSImportRule* ownerRule);
CSSStyleSheet(PassRefPtr<StyleSheetContents>, Node* ownerNode, bool isInlineStylesheet);
virtual bool isCSSStyleSheet() const { return true; }
virtual String type() const { return ASCIILiteral("text/css"); }
bool canAccessRules() const;
RefPtr<StyleSheetContents> m_contents;
bool m_isInlineStylesheet;
bool m_isDisabled;
String m_title;
RefPtr<MediaQuerySet> m_mediaQueries;
Node* m_ownerNode;
CSSImportRule* m_ownerRule;
mutable RefPtr<MediaList> m_mediaCSSOMWrapper;
mutable Vector<RefPtr<CSSRule> > m_childRuleCSSOMWrappers;
mutable OwnPtr<CSSRuleList> m_ruleListCSSOMWrapper;
};
inline CSSStyleSheet::RuleMutationScope::RuleMutationScope(CSSStyleSheet* sheet, RuleMutationType mutationType)
: m_styleSheet(sheet)
, m_mutationType(mutationType)
{
if (m_styleSheet)
m_styleSheet->willMutateRules();
}
inline CSSStyleSheet::RuleMutationScope::RuleMutationScope(CSSRule* rule)
: m_styleSheet(rule ? rule->parentStyleSheet() : 0)
, m_mutationType(OtherMutation)
{
if (m_styleSheet)
m_styleSheet->willMutateRules();
}
inline CSSStyleSheet::RuleMutationScope::~RuleMutationScope()
{
if (m_styleSheet)
m_styleSheet->didMutateRules(m_mutationType);
}
} // namespace
#endif
|
